Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Negative Infinity Zero Positive Negative Infinity Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The extensive properties are Both A and B Free energy, entropy and enthalpy None of these Volume, mass and number of moles Both A and B Free energy, entropy and enthalpy None of these Volume, mass and number of moles ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process dW = pdV dE = CpdT dQ = dE + pdV dE = CvdT dW = pdV dE = CpdT dQ = dE + pdV dE = CvdT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Standard temperature and pressure (S.T.P.) is 15°C and 750 mm Hg 15°C and 1 kgf/cm² 0°C and 750 mm Hg 0°C and 1 kgf/cm² 15°C and 750 mm Hg 15°C and 1 kgf/cm² 0°C and 750 mm Hg 0°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases None of these Enthalpy remains constant Entropy remains constant Temperature remains constant None of these Enthalpy remains constant Entropy remains constant Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
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